Taisei as a Baby Name. Meaning and Origin of Taisei

What is the meaning of the name Taisei ?

The baby name Taisei is a Male name , 4 syllables long and is pronounced Japanese: [taisei] (ta-i-se-i); English approximation: "TIE-say" /taɪseɪ/.

Taisei is Japanese in Origin.

Taisei is a Japanese masculine given name whose meaning depends on the kanji. Common spellings include 大成 ("great achievement/accomplishment"), 泰生 ("peaceful life"), 泰誠 ("calm sincerity"), 大誠 ("great sincerity"), 太星 ("big star"), 大聖 ("great sage"), and, more rarely, 大勢 (a non-name noun meaning "multitude," sometimes adopted as a given name). It may also be written in kana as たいせい or タイセイ. Pronounced ta-ee-seh (four mora), the standard romanization is Taisei.

As a personal name it is attested through the 20th century but became especially fashionable from the late Showa into the Heisei and Reiwa eras, aligning with a broader trend for -sei names (e.g., Yusei, Kensei). Contemporary bearers include NPB players Taisei Makihara and Taisei Ota, reinforcing its modern, athletic image. Nickname forms like Tai appear in casual use. Because meanings vary by kanji choice, parents often select Taisei to evoke success, tranquility, sincerity, or bright promise.